<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body ononline="alert('this');">
		<script type="text/javascript">
			window.onLine=function(){
				console.log(arguments);
			}
			window.addEventListener("online",function(){
				console.log(arguments);
			})
		</script>
	</body>
</html>
